This quiz works best with JavaScript enabled. Home > Soil Science > Fundamentals Research > Fundamentals Of Soil Science – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Fundamentals Of Soil Science Quiz 25 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Mrs. Davis is comparing soil for retention. Retention of water depends on- A) The sizes of a soil's particles. B) The amount of water the soil can hold. C) The color of the soil. D) The types of plants that will grow in it. Show Answer Correct Answer: B) The amount of water the soil can hold. 2. What is the middle layer of soil which is a combination of soil and rocks? A) Humus. B) Subsoil. C) Topsoil. D) Bedrock. Show Answer Correct Answer: B) Subsoil. 3. What is the primary crop of Nevada? A) Apples. B) Almonds. C) Coffee. D) Garlic. Show Answer Correct Answer: D) Garlic. 4. Soil give ..... to the plant. A) Air. B) Sunlight. C) Nutrients. D) Leaves 3 types of soil, clay and organic !. Show Answer Correct Answer: C) Nutrients. 5. What effect do plans roots have on a rock? A) They hold it together. B) They made it turn to sand. C) They cause it to undergo chemical changes. D) They break it apart. Show Answer Correct Answer: D) They break it apart. 6. Three kinds of soil are A) Sandy, loam, clay. B) Gravel, humus, sand. C) Loam, silt, humus. D) Clay, gravel, silt. Show Answer Correct Answer: A) Sandy, loam, clay. 7. A single layer of soil is called a ..... A) Profile. B) Horizon. C) Row. D) Column. Show Answer Correct Answer: B) Horizon. 8. Which grain is grown in Mississippi? A) Wheat. B) Rice. C) Maize. D) Milo. Show Answer Correct Answer: B) Rice. 9. What is the solid mass of rock below soil called? A) Subsoil. B) Bedrock. C) Parent material. D) Organic. Show Answer Correct Answer: B) Bedrock. 10. What emerges from the seed and pushes into the soil? A) Embryo. B) Endosperm. C) Cotyledons. D) Radicle. Show Answer Correct Answer: D) Radicle. 11. The most important property for plan growth is the ability of the soil to ..... water A) Retain. B) Drain. C) Particles. D) Smell. Show Answer Correct Answer: A) Retain. 12. Which soil hold too much water and does not allow air in it? A) Sand. B) Loam. C) Clay. D) None of above. Show Answer Correct Answer: C) Clay. 13. In which layer of soil does the underground water gets collected? A) Bedrock. B) Parentrock. C) Childrock. D) Subsoil. Show Answer Correct Answer: B) Parentrock. 14. Which of the following describes how well soil can grow plants? A) Soil texture. B) Soil fertility. C) Soil structure. D) Soil arrangement. Show Answer Correct Answer: B) Soil fertility. 15. Which soil will allow the water to pass through easily. A) Clay. B) Sand. C) Silt. D) None of above. Show Answer Correct Answer: B) Sand. 16. The practice of planting different things each year, in order to maintain the nutrients in the soil of a field. A) Soil rotation. B) Soil conservation. C) Crop managing. D) Crop rotation. Show Answer Correct Answer: D) Crop rotation. 17. Most gray soil contains silt. Sandy soil is usually light brown. Many dark soils contain dead plants and animals. Which color of soil most likely contains humus? A) Gray. B) Light brown. C) Dark brown. D) White. Show Answer Correct Answer: C) Dark brown. 18. Plants get the light it needs from: A) Rain. B) Sun. C) Soil. D) Clean air and carbon dioxide. Show Answer Correct Answer: B) Sun. 19. The bottom layer of soil is called ..... A) Topsoil. B) Subsoil. C) Bedrock. D) None of above. Show Answer Correct Answer: C) Bedrock. 20. What soil is a mixture of sand, silt, and clay? A) Soil. B) Silt. C) Clay. D) Loam. Show Answer Correct Answer: D) Loam. ← PreviousNext →Related QuizzesSoil Science QuizzesFundamentals Of Soil Science Quiz 1Fundamentals Of Soil Science Quiz 2Fundamentals Of Soil Science Quiz 3Fundamentals Of Soil Science Quiz 4Fundamentals Of Soil Science Quiz 5Fundamentals Of Soil Science Quiz 6Fundamentals Of Soil Science Quiz 7Fundamentals Of Soil Science Quiz 8Fundamentals Of Soil Science Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books